An automatic measuring device for the wall thickness and ovality of bent pipes

CN115235353BActive Publication Date: 2025-08-29ZHEJIANG UNIV OF TECH
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Patent Information

Application Number
CN202210849938.5
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2022-07-19
Publication Date
2025-08-29
Estimated Expiration
2042-07-19

AI Technical Summary

Technical Problem

The existing bend measuring device has a single specification and is difficult to apply to different bend radii, different bend diameter and different bend angles. It is difficult to measure and insufficient accuracy.

Method used

An automatic measuring device for bending pipe wall thickness and ellipticity including a workbench, positioning module, clamping module, rotating module and measuring module is designed. Through components such as multi-function sliders, motor drives and laser rangefinders, precise positioning, clamping and measurement of the bending pipe is achieved.

Benefits of technology

It realizes general measurement of bent pipes with different bending radii, different bent pipe diameter and different bent angles, improves measurement accuracy and convenience, and can accurately find any angle of the bent pipe bend section, which is suitable for large and small factories and individuals.

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Abstract

The present invention discloses an automatic measuring device for the wall thickness and ovality of a bent pipe, which includes a workbench, a positioning module, a clamping module, a rotating module, and a measuring module. The positioning slider on the positioning module is always aligned with the 0° position of the annular scale plate, and moves to the corresponding position according to the actual bending radius of the bent pipe. The clamping module also moves to the corresponding position, clamping the bent pipe and moving it outward to ensure that the 0° position of the bending section of the bent pipe is aligned with the 0° position on the annular scale plate, and the bending center of the bending section is the rotation center of the rotating module. The rotating module rotates to the angle required for measurement, and then the thickness gauge probe and laser rangefinder on the measuring module measure the wall thickness and ovality of the bent pipe. Each module can be adjusted in position and is applicable to bent pipes with different bending radii, different pipe diameters, and different bending angles. It is convenient to measure and has strong versatility.
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Citation Information

Patent Citations

  • Automatic measuring device for ellipticity of elbow section

    CN109781025A

  • Wall thickness omnibearing real-time detection device suitable for elbows with different pipe diameters

    CN110567407A